KT77

KT77 was all but lost in vacuum tube history as an esoteric but supreme audio tube. Tube manufacturers revived KT77 along with design and sonics of the classic KT77.

KT77 in Audio Amp

Gold Lion KT77 is the hands down top choice for those who wants to get that something extra out of their EL34 amps.

Gold Lion KT77 maintains the mids of EL34 while filling out the lows and highs nicely. Gold Lion KT77 also adds the dynamics reminiscent of more powerful tubes like 6550. These are the characters that make Gold Lion KT77 unique and special.

If you are using EL34 amps with OEM EL34 tubes, Gold Lion KT77 is a big step up that can transform your amp.

KT77 in Guitar Amp

In a guitar amp, JJ KT77 is a good choice for those wanting to venture away from regular EL34. In contrast to EL34, JJ KT77 has good amount of bottom end. If you are yearning for more hammering heft, JJ KT77 is a good choice.

The added bottom end also makes KT77 noticeably clearer sounding at low volume . This makes it a good choice for gigs in small space or using in practice amps.

Compared to Gold Lion KT77, JJ KT77 can vary in quality. We do test and inspect 100% of our tubes. We also include burn-in at no charge, and this includes JJ KT77.